Showing neighbors in topology page, Mote 2 is set as DAGroot and Wireshark debug is enabled by default.

Now when you mouover  on a mote, its neighbors are shown as well as its route path. 

In simulatorMode, wireshark debug is enabled by default, and Mote 2 is
set as DAGroot. I choosed Mote 2 (instead of Mote 1) in order to have a
more complex network in linear topology!
Hmm, I don't agree with setting mote 2 as DAGroot. What if you have only one node? In general, I believe the convention "mote 1" is DAGroot is a bit clearer, no?